The City of Falls Church levies a tax on tangible personal property (TPP) used in a trade or business (furniture, fixtures, machinery, tools, computers, and electronics) located in the city on January 1 on any given calendar year. Businesses must provide an itemized list of all property, the date of purchase and the original purchase price. Depreciation is calculated by the Office of the Commissioner. "Original purchase price" is the full-capitalized cost, to include shipping, freight, installation, and sales tax. A return must be filed by May 1; payment is due by October 5. Business tangible personal property tax is not prorated.